New Windsor
- County:
- Carroll County
- County Seat:
- No
- Area (mi²):
- 0.738
- State:
- Maryland
New Windsor is a town located in Carroll County, Maryland. New Windsor has a 2026 population of 1,758. New Windsor is currently growing at a rate of 1.33% annually and its population has increased by 21.07% since the most recent census, which recorded a population of 1,452 in 2020.